javascript-obfuscator/tsconfig.json

{
  "compilerOptions": {
    "target": "ES6",
    "module": "commonjs",
    "sourceMap": true,
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,
    "removeComments": true,
    "noImplicitAny": true,
    "strictNullChecks": true,
    "noUnusedLocals": true,
    "types": [
      "chai",
      "chance",
      "esprima",
      "joi",
      "mkdirp",
      "mocha",
      "node",
      "sinon"
    ]
  }
}